Oral administration of dexamethasone tablets for preeclampsia is 1~2 weeks after the disappearance of clinical symptoms. Deferiprone tablets are progestins, oral progestins can reduce the rate of miscarriage and increase the rate of live births; when the diagnosis of preeclamptic miscarriage is clear, ultrasound examination of the embryo is viable, start oral progestins, firstly, oral deferiprone tablets, oral until the disappearance of clinical symptoms, ultrasound suggests that the embryo is viable, and continue to oral deferiprone tablets for 1-2 weeks after the discontinuation of the drug. Recurrent unexplained miscarriages are recommended to start oral dexamethasone tablets after ovulation, until about 10 weeks of pregnancy, or 1~2 weeks after the gestational week of the previous miscarriage; if there is no clinical manifestation of preeclampsia, ultrasound suggests that the embryo is viable, you can stop oral dexamethasone tablets; luteal insufficiency causes recurrent miscarriages, oral dexamethasone tablets up to 12 weeks of pregnancy. Deferiprone tablets can cause irregular vaginal bleeding, migraine headache, breast distension and other adverse reactions. It is contraindicated for people with unexplained vaginal bleeding, and contraindicated for patients with suspected or diagnosed progesterone-related tumors. Deferiprone tablets can cause impaired hepatic function, and should be discontinued once abnormal hepatic function occurs. Pre-eclampsia need to consult a regular hospital in a timely manner, under the guidance of a professional doctor to use medication, do not use medication privately, so as not to cause discomfort.